[New-bugs-announce] [issue10931] print() from pipe enclosed between 'b and 'pair on python3

ricardw report at bugs.python.org
Tue Jan 18 12:13:08 CET 2011


New submission from ricardw <ricardw at intervisit.com>:

The following script produces different output on python2.6.6 vs. python3.1.2:
-------------
import subprocess, sys

ls = subprocess.Popen(['ls', '-l', '/etc/motd'], stdout=subprocess.PIPE,)

end_of_pipe = ls.stdout

print('Result:')

for line in end_of_pipe:
    print(line.strip())
-------------

Result from invoking with python2 and python3 are respectively:

Result:
-rw-rw---- 1 root root 25 Jan 18 10:25 /etc/motd

and:

Result:
b'-rw-rw---- 1 root root 25 Jan 18 10:25 /etc/motd'

Is this difference a feature, or a bug ?

----------
components: Interpreter Core
messages: 126457
nosy: ricardw
priority: normal
severity: normal
status: open
title: print() from pipe enclosed between 'b and 'pair on python3
type: behavior
versions: Python 3.1

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue10931>
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